45.0 degrees by 0.047 in deep chamfer on edge of both sides
A transparent item of a predetermined size that permits unobstructed and undistorted view of a desired area. It may include a frame, have reference markings, grid lines and may be heat strengthened and/or tinted. It is generally used where safety, security, and/or the restriction of foreign matter are required, such as the visual examination of the inside of pressurized tanks, liquid sights, controlled liquid flow, and inspection of equipment enclosed in a housing. See window (as modified); scale, cathode ray tube; scale, plotting; window, metal; window, wood; and window panel, aircraft.
Classification: Pressed or molded glass articles, wired or not, for building or construction;leaded glass windows etc; formed multicellular or foam glass
NSN 6240-01-212-9535
NSN 5915-01-509-9323
NSN 5930-01-395-7054
NSN 5930-01-535-5746
NSN 5920-00-735-0783
NSN 5895-00-452-7134
NSN 5999-01-176-3687
NSN 2925-01-507-3979
NSN 5930-00-468-1004
NSN 7035-01-546-8389
NSN 6645-00-376-4829
NSN 5996-01-251-4900